/*import java.util.Scanner;

public class Print {
    public static void main(String[] args) {
        Scanner scan=new Scanner(System.in);
        int n=scan.nextInt();
        for(int i=0;i<n;i++){
            for(int j=0;j<n;j++){
                if((i==j)||(i+j==n-1)){
                    System.out.print("*");
                }else{
                    System.out.print(" ");
                }
            }
            System.out.println();
        }
    }
}*/

import java.util.Scanner;

// 注意类名必须为 Main, 不要有任何 package xxx 信息
public class Print {
    public static void main(String[] args) {
        Scanner scan= new Scanner(System.in);
        // 注意 hasNext 和 hasNextLine 的区别
        while (scan.hasNextInt()) { // 注意 while 处理多个 case
            int n=scan.nextInt();
            for (int i = 0; i< n; i++) {
                for (int j = 0; j < n; j++) {
                    if ((i == j) || (i + j == n - 1)) {
                        System.out.print("*");
                    } else {
                        System.out.print(" ");
                    }
                }
                System.out.println();
            }
        }
    }
}